Princess Shanti Singh of Nepal or Shanti Rajya Lakshmi Devi (November 20, 1940 – June 1, 2001) was a Nepalese princess and Rani of Bajhang after her marriage to Kumar Deepak Jang Bahadur Singh, 60th Raja of Bajhang.
The eldest child of King Mahendra of Nepal, she was one of the ten people who died in the Nepalese royal massacre.Name Shanti means "Inner Peace".